外部文件的部署

= =由于很智障的写完忘记发布，还没保存= =，emmmmmm这里就不详细再写一遍了

Maven配置:

    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.37</version>
      <scope>runtime</scope>
    </dependency>
    <dependency>
      <groupId>c3p0</groupId>
      <artifactId>c3p0</artifactId>
      <version>0.9.1.2</version>
    </dependency>

Db.properties:

user=root
password=123456
driverclass=com.mysql.jdbc.Driver
jdbcurl=jdbc:mysql:///mybatis_learn

 

 

配置文件:

<context:property-placeholder location="classpath:db.properties"/>

<bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">

					<property name="user" value="${user}"/>

					<property name="password" value="${password}"/>

					<property name="driverClass" value="${driverclass}"/>

					<property name="jdbcUrl" value="${jdbcurl}"/>

</bean>